Lens driving apparatus, camera module, and optical device

Abstract

To provide a lens driving apparatus, a camera module, and an optical device.SOLUTION: The present embodiment relates to a lens driving apparatus, a camera module and an optical device, which comprise: a first housing; a second housing; a bobbin; an aperture; a first coil, a second coil, a third coil and a fourth coil; and a first magnet, a second magnet, a third magnet and a fourth magnet. The first coil, the second coil, the third coil and the fourth coil are spaced. The first coil and the third coil are disposed opposite each other with the first magnet and the third magnet interposed therebetween. The second coil and the fourth coil are disposed opposite each other with the second magnet and the fourth magnet interposed therebetween.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present embodiment relates to a lens driving device, a camera module, and an optical device. [Background technology]

[0002] The following description is intended to provide background information for the present embodiment only and is not a description of the prior art.

[0003] As various mobile terminals have become widely used and wireless Internet services have become commercially available, consumer demands for mobile terminals have become more diverse, and various additional devices have been installed on mobile terminals.

[0004] A typical example is a camera module that takes photos or videos of a subject. In recent years, camera modules have appeared that are equipped with an autofocus function that automatically adjusts the focus according to the distance to the subject, and an image stabilization function that moves or tilts the lens module in a direction perpendicular to the optical axis to offset vibrations (movements) that occur in the image sensor due to external forces.

[0005] Meanwhile, the iris is a device that adjusts the size of the hole to control the amount of light passing through the lens module.

[0006] In a typical camera module, the autofocus function, the image stabilization function, and the diaphragm are driven by separate driving members, which results in a complex structure. Summary of the Invention [Problem to be solved by the invention]

[0007] In this embodiment, a lens driving device, a camera module, and an optical device having a compact structure are provided, which can perform the focus function, the image stabilization function, and the diaphragm driving function with a single driving member. [Means for solving the problem]

[0008] The lens driving device of this embodiment includes a first housing, a second housing arranged inside the first housing, a bobbin arranged inside the second housing, an aperture arranged on or in the bobbin, a first coil, a second coil, a third coil, and a fourth coil arranged in the first housing, a first magnet arranged in the second housing and arranged to correspond to the first coil, a second magnet arranged on the bobbin and arranged to correspond to the second coil, a third magnet arranged on the bobbin and arranged to correspond to the third coil, and a fourth magnet arranged on the aperture and arranged to correspond to the fourth coil, wherein the first coil, the second coil, the third coil, and the fourth coil are arranged spaced apart from each other, the first coil and the third coil are arranged opposite each other via the first magnet and the third magnet, and the second coil and the fourth coil are arranged opposite each other via the second magnet and the fourth magnet.

[0009] The first housing may include a first corner, a second corner, a third corner, and a fourth corner spaced apart from one another, a first connecting portion connecting the first corner and the second corner, a second connecting portion connecting the second corner and the third corner, a third connecting portion connecting the third corner and the fourth corner, and a fourth connecting portion connecting the fourth corner and the first corner, wherein the first coil may be disposed in the first connecting portion, the second coil may be disposed in the second connecting portion, the third coil may be disposed in the third connecting portion, and the fourth coil may be disposed in the fourth connecting portion.

[0010] The coil may further include a substrate on an inner surface of which the first coil, the second coil, the third coil, and the fourth coil are arranged, and the substrate may be arranged on the first connecting portion, the second connecting portion, the third connecting portion, and the fourth connecting portion.

[0011] The substrate may include a first substrate disposed in the first connecting portion and having the first coil disposed on its inner surface, a second substrate disposed in the second connecting portion and having the second coil disposed on its inner surface, a third substrate disposed in the third connecting portion and having the third coil disposed on its inner surface, and a fourth substrate disposed in the fourth connecting portion and having the fourth coil disposed on its inner surface.

[0012] The substrate may further include one or more magnetic sensors disposed on an inner surface thereof, spaced apart from the first coil, the second coil, the third coil, and the fourth coil, and configured to sense a magnetic force of at least one of the first magnet, the second magnet, the third magnet, and the fourth magnet.

[0013] The second housing moves in the optical axis direction due to electromagnetic interaction between the first magnet and the first coil, the bobbin moves in a first direction perpendicular to the optical axis or tilts in the first direction perpendicular to the optical axis due to electromagnetic interaction between the second magnet and the second coil, the bobbin moves in a second direction perpendicular to both the optical axis and the first direction or tilts in the second direction perpendicular to both the optical axis and the first direction due to electromagnetic interaction between the third magnet and the third coil, and the iris includes a stator including a first guide and a second guide, a mover disposed on the stator and on which the fourth magnet is disposed, a connecting rod rotatably connected at one side to the mover, and a rotating shaft rotatably connected at the other side of the connecting rod and having a center rotatably connected to the stator. the fourth magnet and the fourth coil may have at least one first connecting rod rotatably connected to the other side of the rotor, a first blade disposed on one side of the rotor, and a second blade disposed on the other side of the rotor, wherein one side of the first blade includes a first connecting rod rotatably connected to the one side of the rotor and moving along the first guide, and a first blocking plate disposed on the other side of the first connecting rod and having a first groove formed therein; the second blade includes a second connecting rod rotatably connected to the other side of the rotor and moving along the second guide, and a second blocking plate disposed on the other side of the second connecting rod and having a second groove formed therein; at least a portion of the first groove and the second groove overlap in the optical axis direction, and an area of ​​a hole formed by the first groove and the second groove may be adjusted by electromagnetic interaction between the fourth magnet and the fourth coil.

[0014] The rotor may further include one or more first ball bearings arranged between the first housing and the second housing, a moving member arranged between the second housing and the bobbin, one or more second ball bearings arranged between the moving member and the bobbin, and one or more third ball bearings arranged between the second housing and the moving member.

[0015] The magnet may further include a cover inside which the first housing, the second housing, the bobbin, the aperture, the first coil, the second coil, the third coil, the fourth coil, the first magnet, the second magnet, the third magnet, and the fourth magnet are disposed.

[0016] The camera module of this embodiment includes a lens driving device, a lens module disposed on the lens driving device and including a plurality of lenses, a main board disposed below the lens driving device, and an image sensor mounted on the main board and disposed on the optical axis of the lens module, and the lens driving device includes a first housing, a second housing disposed inside the first housing, a bobbin disposed inside the second housing, an aperture disposed on or on the bobbin, a first coil, a second coil, a third coil, and a fourth coil disposed in the first housing, and an aperture disposed in the second housing and corresponding to the first coil. a first magnet disposed on the bobbin and arranged to correspond to the second coil; a second magnet disposed on the bobbin and arranged to correspond to the third coil; and a fourth magnet disposed on the aperture and arranged to correspond to the fourth coil, wherein the first coil, the second coil, the third coil, and the fourth coil are spaced apart from each other, the first coil and the third coil are arranged opposite to each other with the first magnet and the third magnet interposed therebetween, and the second coil and the fourth coil are arranged opposite to each other with the second magnet and the fourth magnet interposed therebetween.

[0017] The optical device of this embodiment includes a frame, a display disposed on one surface of the frame, and a camera module disposed inside the frame and electrically connected to the display, the camera module including a lens module disposed in the lens driving device and including a plurality of lenses, a main board disposed below the lens driving device, and an image sensor mounted on the main board and disposed on an optical axis of the lens module, the lens driving device including a first housing, a second housing disposed inside the first housing, a bobbin disposed inside the second housing, an aperture disposed on or in the bobbin, a first coil, a second coil, a third coil, and a a fourth coil, a first magnet disposed on the second housing and arranged to correspond to the first coil, a second magnet disposed on the bobbin and arranged to correspond to the second coil, a third magnet disposed on the bobbin and arranged to correspond to the third coil, and a fourth magnet disposed on the aperture and arranged to correspond to the fourth coil, wherein the first coil, the second coil, the third coil, and the fourth coil are arranged spaced apart from each other, the first coil and the third coil are arranged opposite to each other via the first magnet and the third magnet, and the second coil and the fourth coil are arranged opposite to each other via the second magnet and the fourth magnet. [Effects of the Invention]

[0018] The lens driving device of this embodiment can perform a focus function, an image stabilization function, and drive the aperture through electromagnetic interaction between a coil disposed in the first housing and magnets disposed in the second housing, the bobbin, and the aperture, thereby having a compact structure. This embodiment further provides a camera module including the lens driving device and an optical device including the camera module. [Brief explanation of the drawings]

[0019] [Figure 1] 1 is a cross-sectional view conceptually illustrating a camera module according to an embodiment of the present invention. [Figure 2] FIG. 1 is an exploded perspective view conceptually illustrating a camera module according to an embodiment of the present invention. [Figure 3] (a) is a conceptual perspective view of the first housing of this embodiment, the upper side of (b) is a drawing of the expanded view of the board of this embodiment seen from the inside, and the lower side of (b) is a drawing of the expanded view of the board of this embodiment seen from the outside. [Figure 4] FIG. 2 is a plan view conceptually showing the first housing, the second housing, the bobbin, the aperture, the coil, and the magnet of the present embodiment. [Figure 5] FIG. 2 is a plan view conceptually showing the aperture of the present embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0020] Hereinafter, some embodiments of the present invention will be described with reference to the drawings. When referring to components in each drawing, the same reference numerals will be used to refer to the same components even if they appear in different drawings. Furthermore, when describing embodiments of the present invention, if a detailed description of related well-known structures or functions is deemed to hinder understanding of the embodiments of the present invention, the detailed description will be omitted.

[0021] Furthermore, when describing components of embodiments of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are used to distinguish one component from another, and do not limit the nature, order, or sequence of the components. When a component is described as being "coupled," "coupled," or "connected" to another component, it should be understood that the component can be directly coupled, coupled, or connected to the other component, but that additional components may be "coupled," "coupled," or "connected" between the component and the other component.

[0022] The "optical axis" used below may be the optical axis of the lens module when coupled to the lens driving device. The "optical axis direction" may be parallel to the z-axis. The "first direction" may be perpendicular to the optical axis. The "first direction" may be parallel to the x-axis. The "second direction" may be perpendicular to both the optical axis direction and the first direction. The "second direction" may be parallel to the y-axis.

[0023] However, the "optical axis", the "first direction", and the "second direction" are not limited to being perpendicular to each other. For example, the "optical axis" and the "first direction" may be arranged to be inclined at an angle other than 90°, and the "second direction" may be arranged to be inclined at an angle other than 90° with the "optical axis" and the "first direction".

[0024] The "autofocus function" used below is defined as a function that adjusts the distance to the image sensor by moving the lens module along the optical axis according to the distance to the subject so that the image sensor can obtain a clear image of the subject. Meanwhile, the "autofocus function" is also used interchangeably with the "AF (Auto Focus) function."

[0025] The term "image stabilization function" used below is defined as a function that moves or tilts the lens module in a direction perpendicular to the optical axis (first direction or second direction) to offset vibrations (movements) that occur in the image sensor due to external forces. Meanwhile, the term "image stabilization function" is also used interchangeably with "OIS (Optical Image Stabilization) function."

[0026] The configuration of the "optical device" according to this embodiment will be described below. The optical device according to this embodiment may be a mobile phone, a smartphone, a portable smart device, a digital camera, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistant), a PMP (Portable Multimedia Player), a navigation system, etc., but is not limited thereto and may be any device for taking images or photographs.

[0027] The "optical device" of this embodiment may include a frame, which is an exterior member, a display panel disposed on one surface of the frame to display information, and a camera module disposed inside the frame. The camera module may capture images or photographs and be electrically connected to the display panel. The images captured by the camera module may be reproduced on the display panel.

[0028] The configuration of the "camera module" of this embodiment will be described below with reference to the drawings. Fig. 1 is a cross-sectional view conceptually showing the camera module of this embodiment, Fig. 2 is an exploded perspective view conceptually showing the camera module of this embodiment, Fig. 3(a) is a perspective view conceptually showing the first housing of this embodiment, the upper side of Fig. 3(b) is a development view of the board of this embodiment seen from the inside, the lower side of Fig. 3(b) is a development view of the board of this embodiment seen from the outside, Fig. 4 is a plan view conceptually showing the first housing, second housing, bobbin, aperture, coil, and magnet of this embodiment, and Fig. 5 is a plan view conceptually showing the aperture of this embodiment.

[0029] The camera module 1000 may include a cover 100, a first housing 200, a coil 210, a substrate 220, a magnetic sensor 230, a yoke 240, a second housing 300, a first ball bearing 310, a bobbin 400, a lens module 410, a moving member 500, a second ball bearing 510, a third ball bearing 520, a magnet 600, an aperture 700, a base 800, a main substrate 900, an image sensor 910, an infrared blocking filter (not shown), and a control unit (not shown).

[0030] The cover 100, the first housing 200, the coil 210, the substrate 220, the magnetic sensor 230, the yoke 240, the second housing 300, the first ball bearing 310, the bobbin 400, the lens module 410, the moving member 500, the second ball bearing 510, the third ball bearing 520, the magnet 600, the aperture 700, and the base 800 may be components of a "lens driving device."

[0031] The cover 100 can be an exterior member of the "camera module 1000" and the "lens driving device."

[0032] A first housing 200, a coil 210, a substrate 220, a magnetic sensor 230, a yoke 240, a second housing 300, a first ball bearing 310, a bobbin 400, a lens module 410, a moving member 500, a second ball bearing 510, a third ball bearing 520, a magnet 600, an aperture 700, and a base 800 may be arranged inside the cover 100. A main board 900 and an image sensor 910 may be arranged under the cover 100.

[0033] The cover 100 may include a metal material. The cover 100 can block electromagnetic waves from entering the inside from the outside and from escaping from the inside to the outside. Therefore, the cover 100 may be called a "shielded can." However, the material of the cover 100 is not limited thereto. For example, the cover 100 may include a plastic material.

[0034] The cover 100 is in the form of a square plate and may include an upper plate with a hole aligned with the optical axis formed in the center and four side plates extending downward from each side of the upper plate. The upper plate and side plates of the cover 100 form an internal space with a hole aligned with the optical axis on the top surface and an open bottom surface. External light reflected on the subject can pass through the hole in the upper plate of the cover 100.

[0035] The cover 100 may be supported by the main board 900. The lower surface of the side plate of the cover 100 may be coupled to the upper surface of the main board 900. An adhesive may be applied to the coupling portion between the cover 100 and the main board 900. However, in a modified example (not shown), the cover 100 may be supported by the base 800. In this case, the coupling relationship between the cover 100 and the base 800 may be analogous to the coupling relationship between the cover 100 and the main board 900 of this embodiment.

[0036] The first housing 200 may be disposed inside the cover 100. The second housing 300, the first ball bearing 310, the bobbin 400, the lens module 410, the moving member 500, the second ball bearing 510, the third ball bearing 520, the magnet 600, and the diaphragm 700 may be disposed inside the first housing 200. The coil 210, the substrate 220, the magnetic sensor 230, and the yoke 240 may be disposed in the first housing 200. A base 800 and a main substrate 900 may be disposed below the first housing 200.

[0037] The first housing 200 may include a plastic material, and may be a plastic injection molding, but the material of the first housing 200 is not limited thereto.

[0038] The first housing 200 may include a first corner (C1), a second corner (C2), a third corner (C3), and a fourth corner (C4) that are arranged apart from each other, a first connecting portion 201 that connects the first corner (C1) and the second corner (C2), a second connecting portion 202 that connects the second corner (C2) and the third corner (C3), a third connecting portion 203 that connects the third corner (C3) and the fourth corner (C4), and a fourth connecting portion 204 that connects the fourth corner (C4) and the first corner (C1).

[0039] The first corner (C1) and the third corner (C3) may be disposed symmetrically with respect to the optical axis. The second corner (C2) and the fourth corner (C4) may be disposed symmetrically with respect to the optical axis, spaced apart from the first corner (C1) and the third corner (C3). The first corner (C1) may be located between the first connecting part 201 and the second connecting part 202. The second corner (C2) may be located between the second connecting part 202 and the third connecting part 203. The third corner (C3) may be located between the third connecting part 203 and the fourth connecting part 204. The fourth corner (C4) may be located between the fourth connecting part 204 and the first connecting part 201.

[0040] The first connection part 201 and the third connection part 203 may be disposed symmetrically with respect to the optical axis. The first connection part 201 and the third connection part 203 may be disposed to correspond (face each other, overlap) in the “second direction.”

[0041] The second connection part 202 and the fourth connection part 204 may be disposed between the first connection part 201 and the third connection part 203, and may be disposed symmetrically with respect to the optical axis. The second connection part 202 and the fourth connection part 204 may be disposed to correspond (face each other, overlap) in the "first direction."

[0042] The first connecting portion 201 and the third connecting portion 203 may be arranged to be parallel to each other. The second connecting portion 202 and the fourth connecting portion 204 may be arranged to be parallel to each other. The first connecting portion 201 and the third connecting portion 203 may be arranged to be perpendicular to the second connecting portion 202 and the fourth connecting portion 204.

[0043] The first connecting unit 201 may include a first coil 211, a first substrate 221, a first magnetic sensor 231, and a first yoke 241. The second connecting unit 202 may include a second coil 212, a second substrate 222, a second magnetic sensor 232, and a first yoke 242. The third connecting unit 203 may include a third coil 213, a third substrate 223, a third magnetic sensor 233, and a third yoke 243. The fourth connecting unit 204 may include a fourth coil 214, a fourth substrate 224, a fourth magnetic sensor 234, and a fourth yoke 244.

[0044] The connection portion of the housing 200 may be a support member that functions to support the coil 210 , the substrate 220 , the magnetic sensor 230 and the yoke 240 .

[0045] There may be a plurality of coils 210. The coils 210 may be disposed in the first housing 200. The coils 210 may be disposed on the substrate 220. The coils 210 may be electrically connected to the substrate 220. The plurality of coils 210 may be positioned to correspond (face or overlap) with the plurality of magnets 600 in a "first direction" and a "second direction," respectively. When power is applied to the coils 210, the coils 210 may electromagnetically interact with the magnets 600. This allows for a focusing function, an image stabilization function, and driving of the aperture 700.

[0046] The plurality of coils 210 may include a first coil 211 , a second coil 212 , a third coil 213 and a fourth coil 214 .

[0047] The first coil 211 may be a coil block around which a conductive wire is wound or a pattern coil formed on a substrate. The first coil 211 may be disposed in the first connecting portion 201 of the first housing 200. The first coil 211 may be disposed on the first substrate 221. The first coil 211 may be disposed to correspond to (face or overlap) the first magnet 610 in the "second direction." The first coil 211 may interact electromagnetically with the first magnet 610.

[0048] The second coil 212 may be a coil block around which a conductive wire is wound or a pattern coil formed on a substrate. The second coil 212 may be disposed in the second connecting portion 202 of the first housing 200. The second coil 212 may be disposed on the second substrate 222. The second coil 212 may be disposed to correspond to (face or overlap) the second magnet 620 in the "first direction." The second coil 212 may interact electromagnetically with the second magnet 620.

[0049] The third coil 213 may be a coil block around which a conductive wire is wound or a pattern coil formed on a substrate. The third coil 213 may be disposed in the third connecting portion 203 of the first housing 200. The third coil 213 may be disposed on the third substrate 223. The third coil 213 may be disposed to correspond to (face or overlap) the third magnet 630 in the "second direction." The third coil 213 may interact electromagnetically with the third magnet 630.

[0050] The fourth coil 214 may be a coil block around which a conductive wire is wound or a pattern coil formed on a substrate. The fourth coil 214 may be disposed in the fourth connecting portion 204 of the first housing 200. The fourth coil 214 may be disposed on the fourth substrate 224. The fourth coil 214 may be disposed to correspond to (face or overlap) the fourth magnet 640 in the "first direction." The fourth coil 214 may interact electromagnetically with the fourth magnet 640.

[0051] The first coil 211 and the third coil 213 may be disposed opposite each other with the first magnet 610 and the third magnet 630 interposed therebetween. The second coil 212 and the fourth coil 214 may be disposed opposite each other with the second magnet 620 and the fourth magnet 640 interposed therebetween.

[0052] The first coil 211, the second coil 212, the third coil 213, and the fourth coil 214 may be arranged as if they were arranged along each side of a rectangle. In addition, the first coil 211 may face the first magnet 610, the second coil 212 may face the second magnet 620, the third coil 213 may face the third magnet 630, and the fourth coil 214 may face the fourth magnet 640.

[0053] The above-described arrangement is advantageous for each of the multiple coils 210 to electromagnetically interact with the opposing magnet among the multiple magnets 600, and is also an arrangement that can minimize electromagnetic interference between adjacent coils 210 and adjacent magnets 600. Therefore, the camera module 1000 of this embodiment can perform an autofocus function, an image stabilization function, and drive the aperture 700 with high accuracy.

[0054] The board 220 may be disposed in the first housing 200. The coil 210, the magnetic sensor 230, and the yoke 240 may be disposed on the board 220. The board 220 is electrically connected to the coil 210 and may supply power to the coil 210. The board 220 is electrically connected to the magnetic sensor 230 and may receive a detection signal from the magnetic sensor 230. The board 220 is electrically connected to the main board 900 and may receive power and various control signals from the main board 900 and may transmit a detection signal from the magnetic sensor 230.

[0055] The substrate 220 may include a first substrate 221 , a second substrate 222 , a third substrate 223 , a fourth substrate 224 , a first connecting substrate 225 , a second connecting substrate 226 , a third connecting substrate 227 , and a fourth connecting substrate 228 .

[0056] The first substrate 221 may be a printed circuit board (PCB). The first substrate 221 may be disposed in the first connecting portion 201 of the housing 200. The first coil 211 and the first magnetic sensor 231 may be disposed on an inner surface of the first substrate 221. The first yoke 241 may be disposed on an outer surface of the first substrate 221.

[0057] The second substrate 222 may be a printed circuit board (PCB). The second substrate 222 may be disposed in the second connecting portion 202 of the housing 200. The second coil 212 and the second magnetic sensor 232 may be disposed on an inner surface of the second substrate 222. The second yoke 242 may be disposed on an outer surface of the second substrate 222.

[0058] The third substrate 223 may be a printed circuit board (PCB). The third substrate 223 may be disposed in the third connection part 203 of the housing 200. The third coil 213 and the third magnetic sensor 233 may be disposed on an inner surface of the third substrate 223. The third yoke 243 may be disposed on an outer surface of the third substrate 223.

[0059] The fourth substrate 224 may be a printed circuit board (PCB). The fourth substrate 224 may be disposed in the fourth connection portion 204 of the housing 200. The fourth coil 214 and the fourth magnetic sensor 234 may be disposed on an inner surface of the fourth substrate 224. The fourth yoke 244 may be disposed on an outer surface of the fourth substrate 224.

[0060] The first connecting board 225 may be a flexible printed circuit board (FPCB). The first connecting board 225 may electrically connect the first board 221 and the second board 222. In a modified example (not shown), the first connecting board 225 may be replaced with various conductive lines (e.g., wires).

[0061] The second connecting board 226 may be a flexible printed circuit board (FPCB) and may electrically connect the second board 222 and the third board 223. In a modified example (not shown), the second connecting board 226 may be replaced with various conductive lines (e.g., wires).

[0062] The third connecting board 227 may be a flexible printed circuit board (FPCB) and may electrically connect the third board 223 and the fourth board 224. In a modified example (not shown), the third connecting board 227 may be replaced with various conductive lines (e.g., wires).

[0063] The fourth connecting board 228 may be a flexible printed circuit board (FPCB). The fourth connecting board 228 may electrically connect the fourth board 224 and the first board 221. In a modified example (not shown), the fourth connecting board 228 may be replaced with various conductive lines (e.g., wires).

[0064] There may be one or more magnetic sensors 230. The magnetic sensors 230 may be disposed on the substrate 220. The magnetic sensors 230 may be electrically connected to the substrate 220. The magnetic sensors 230 may be positioned to correspond (face, overlap) with the magnet 600. The magnetic sensors 230 may be positioned to correspond (face, overlap) with the magnet 600 in a "first direction" and a "second direction."

[0065] One or more magnetic sensors 230 can sense the magnetic force of at least one of the multiple magnets 600. The magnetic sensors 230 can sense the magnetic force of the magnets 600 and output a detection signal. The main board 900 can process the magnetic signal from the magnetic sensors 230 to identify the position of the magnets 600. Based on this, a highly accurate autofocusing function, an image stabilization function, and driving of the aperture 500 can be performed (feedback control).

[0066] The one or more magnetic sensors 230 may include a first magnetic sensor 231 , a second magnetic sensor 232 , a third magnetic sensor 233 , and a fourth magnetic sensor 234 .

[0067] The first magnetic sensor 231 may be a "hall sensor." The first magnetic sensor 231 may be disposed in the first connecting portion 201 of the first housing 200. The first magnetic sensor 231 may be disposed on the first board 221, spaced apart from the first coil 211. The first magnetic sensor 231 may be disposed to correspond to (face or overlap) the first magnet 610 in the "second direction." The first magnetic sensor 231 may sense the magnetic force of the first magnet 610, and thereby output a first sensing signal.

[0068] The second magnetic sensor 232 may be a "hall sensor." The second magnetic sensor 232 may be disposed in the second connecting portion 202 of the first housing 200. The second magnetic sensor 232 may be disposed on the second board 222, spaced apart from the second coil 212. The second magnetic sensor 232 may be disposed to correspond to (face or overlap) the second magnet 620 in the "first direction." The second magnetic sensor 232 may sense the magnetic force of the second magnet 620, and thereby output a second sensing signal.

[0069] The third magnetic sensor 233 may be a "hall sensor." The third magnetic sensor 233 may be disposed in the third connecting portion 203 of the first housing 200. The third magnetic sensor 233 may be disposed on the third board 223, spaced apart from the third coil 213. The third magnetic sensor 233 may be disposed to correspond to (face or overlap) the third magnet 630 in the "second direction." The third magnetic sensor 233 may sense the magnetic force of the third magnet 630, and thereby output a third sensing signal.

[0070] The fourth magnetic sensor 234 may be a "hall sensor." The fourth magnetic sensor 234 may be disposed in the fourth connecting portion 204 of the first housing 200. The fourth magnetic sensor 234 may be disposed on the fourth board 224, spaced apart from the fourth coil 214. The fourth magnetic sensor 234 may be disposed to correspond to (face or overlap) the fourth magnet 640 in the "first direction." The fourth magnetic sensor 234 may sense the magnetic force of the fourth magnet 640 and output a fourth sensing signal accordingly.

[0071] There may be a plurality of yokes 240. The yokes 240 may be disposed on the substrate 220. The yokes 240 may be disposed to correspond (face, overlap) with the coils 210 and the magnets 600. The plurality of yokes 240 may be disposed to correspond (face, overlap) with the plurality of coils 210 and the plurality of magnets 600 in a "first direction" and a "second direction," respectively. The yokes 240 concentrate the electromagnetic force of the coils 210 and the magnetic force of the magnets 600, thereby facilitating electromagnetic interaction between the coils 210 and the magnets 600.

[0072] The plurality of yokes 240 may include a first yoke 241 , a second yoke 242 , a third yoke 243 , and a fourth yoke 244 .

[0073] The first yoke 241 may be a flat-plate-shaped magnetic body. The first yoke 241 may be disposed in the first connecting portion 201 of the first housing 200. The first yoke 241 may be disposed on the first board 221. The first yoke 241 may be disposed to correspond to (face or overlap) the first coil 211 and the first magnet 610 in the "second direction." The first yoke 241 may concentrate the electromagnetic force of the first coil 211 and the magnetic force of the first magnet 610.

[0074] The second yoke 242 may be a flat-plate-shaped magnetic body. The second yoke 242 may be disposed in the second connecting portion 202 of the first housing 200. The second yoke 242 may be disposed on the second board 222. The second yoke 242 may be disposed to correspond to (face or overlap) the second coil 212 and the second magnet 620 in the "first direction." The second yoke 242 may concentrate the electromagnetic force of the second coil 212 and the magnetic force of the second magnet 612.

[0075] The third yoke 243 may be a flat-plate-shaped magnetic body. The third yoke 243 may be disposed in the third connecting portion 203 of the first housing 200. The third yoke 243 may be disposed on the third board 223. The third yoke 243 may be disposed to correspond to (face or overlap) the third coil 213 and the third magnet 630 in the "second direction." The third yoke 243 may concentrate the electromagnetic force of the third coil 213 and the magnetic force of the third magnet 630.

[0076] The fourth yoke 244 may be a flat-plate-shaped magnetic body. The fourth yoke 244 may be disposed in the fourth connecting portion 204 of the first housing 200. The fourth yoke 244 may be disposed on the fourth board 224. The fourth yoke 244 may be disposed to correspond to (face or overlap) the fourth coil 214 and the fourth magnet 640 in the "first direction." The fourth yoke 244 may concentrate the electromagnetic force of the fourth coil 214 and the magnetic force of the fourth magnet 640.

[0077] The second housing 300 may be disposed inside the first housing 200. The bobbin 400, the lens module 410, the moving member 500, the second ball bearing 510, the third ball bearing 520, the magnet 600, and the diaphragm 700 may be disposed inside the second housing 300. A base 800 and a substrate 900 may be disposed below the second housing 300.

[0078] The second housing 300 has a rectangular plate shape and includes a lower plate having a hole aligned with the optical axis in the center and four side plates extending upward from each side of the lower plate. The second housing 300 has a hole aligned with the optical axis in the bottom surface formed by the lower plate and the side plates of the second housing 300, forming an internal space with an open top. Light passing through the lens module 410 can pass through the hole in the lower plate of the second housing 300.

[0079] A plurality of first ball bearings 310 may be disposed between the second housing 300 and the first housing 200. The second housing 300 may be movable in the "optical axis direction" by the first ball bearings 310. That is, the second housing 300 may be connected to the first housing 200 so as to be movable in the "optical axis direction."

[0080] A first magnet 610 may be disposed in the second housing 300. The first magnet 610 may be disposed on one of the side plates of the second housing 300 that is disposed to correspond (face or overlap) with the first connecting part 201 in the “second direction.” When power is applied to the first coil 211 and the first coil 211 and the first magnet 610 interact electromagnetically, a driving force that moves the second housing 300 in the “optical axis direction” may be generated.

[0081] When the second housing 300 moves in the "optical axis direction," the lens module 410 can move in the "optical axis direction" together with the second housing 300. Through this process, a focus function (AF) can be performed.

[0082] The second housing 300 may include a plastic material, and may be a plastic injection molding, but the material of the second housing 300 is not limited thereto.

[0083] The bobbin 400 may be disposed inside the second housing 300. A lens module 410 may be disposed inside the bobbin 400. An aperture 500 may be disposed inside or above the bobbin 400. A moving member 500, a second ball bearing 510, and a third ball bearing 520 may be disposed below the bobbin 400.

[0084] The bobbin 400 may have a hollow shape with a hole aligned with the optical axis. Light that has passed through the hole in the upper plate of the cover 100 can pass through the hole in the bobbin 400.

[0085] A plurality of second ball bearings 510 may be disposed between the bobbin 400 and the movable member 500. The bobbin 400 may move in a "first direction" or tilt in the "first direction" by the second ball bearings 510. That is, the bobbin 400 may be coupled to the movable member 500 so as to move in the "first direction" or tilt in the "first direction".

[0086] A second magnet 620 and a third magnet 630 may be disposed on the bobbin 400. The second magnet 620 may be disposed on a side of the bobbin 400 that is disposed to correspond to (face, overlap) the second connecting portion 202 of the housing 200 in the "first direction." The third magnet 630 may be disposed on a side of the bobbin 400 that is disposed to correspond to (face, overlap) the third connecting portion 203 of the housing 200 in the "second direction."

[0087] When power is applied to the second coil 212 and the second coil 212 and the second magnet 620 interact electromagnetically, a driving force can be generated that moves or tilts the bobbin 400 in the “first direction.”

[0088] When power is applied to the third coil 213 and the third coil 213 and the third magnet 630 interact electromagnetically, a driving force can be generated that moves the bobbin 400 in the “second direction” or tilts it in the “second direction.”

[0089] When the bobbin 400 moves or tilts in the "first direction," the lens module 410 moves or tilts in the "first direction" together with the bobbin 400. Through this process, an image stabilization function (OIS(x)) can be performed based on the "first direction (x-axis)."

[0090] When the bobbin 400 moves or tilts in the "second direction," the lens module 410 moves or tilts in the "second direction" together with the bobbin 400. Through this process, the image stabilization function (OIS(y)) can be performed based on the "second direction (y-axis)."

[0091] The bobbin 400 may include a plastic material, and may be a plastic injection molding, but the material of the bobbin 400 is not limited thereto.

[0092] The lens module 410 may be disposed inside the bobbin 400. The lens module 410 may include a plurality of lenses and a lens barrel. However, the configuration of the lens module 410 is not limited to a lens barrel, and any holder structure capable of supporting one or more lenses may be used. Light passing through the lens module may be irradiated onto the image sensor 910.

[0093] The moving member 500 may be disposed below the bobbin 400. The moving member 500 may be disposed on a lower plate of the second housing. The moving member 500 may be disposed between the second housing 300 and the bobbin 400.

[0094] The moving member 500 may be in the form of a square plate having a hole aligned with the optical axis at the center thereof. The light that has passed through the hole of the bobbin 400 can pass through the hole of the moving member 500.

[0095] The moving member 500 may include a plastic material, and may be a plastic injection molding, but the material of the moving member 500 is not limited thereto.

[0096] A plurality of second ball bearings 510 may be disposed between the moving member 500 and the bobbin 400. The bobbin 400 can move in a "first direction" or tilt in the "first direction" by the second ball bearings 510. That is, the bobbin 400 can be connected to the moving member 500 so as to be movable in the "first direction" or tiltable in the "first direction".

[0097] A plurality of third ball bearings 520 may be disposed between the movable member 500 and the second housing 300. The movable member 500 can move in a "second direction" or tilt in the "second direction" by the third ball bearings 520. That is, the movable member 500 can be connected to the second housing 300 so as to be movable in the "second direction" or tiltable in the "second direction". The bobbin 400 can move in the "second direction" or tilt in the "second direction" by the movable member 500.

[0098] There may be a plurality of magnets 600. The plurality of magnets 600 may be distributed and arranged in the second housing 300, the bobbin 400, and the aperture 700. The plurality of magnets 600 may be arranged to correspond (face or overlap) with the plurality of coils 210 in a "first direction" or a "second direction."

[0099] The magnet 600 electromagnetically interacts with the coil 210 to provide a driving force to the second housing 300 and the bobbin 400. The electromagnetic interaction between the magnet 600 and the coil 210 causes the second housing 300 to move in the "optical axis direction," thereby enabling an autofocus function (AF). The electromagnetic interaction between the magnet 600 and the coil 210 causes the bobbin 400 to move in a "first direction (x-axis)" or tilt in the "first direction (x-axis)," thereby enabling an image stabilization function (OIS(x)) based on the "first direction (x-axis)." The electromagnetic interaction between the magnet 600 and the coil 210 causes the bobbin 400 to move in a "second direction (y-axis)" or tilt in the "second direction (y-axis)," thereby enabling an image stabilization function (OIS(y)) based on the "second direction (y-axis)."

[0100] The plurality of magnets 600 may include a first magnet 610, a second magnet 620, a third magnet 630 and a fourth magnet 600.

[0101] The first magnet 610 and the third magnet 630 may be arranged symmetrically with respect to the "optical axis." The first magnet 610 and the third magnet 630 may be arranged parallel to each other with respect to the "first direction." The first magnet 610 and the third magnet 630 may be arranged such that their inner surfaces correspond (face each other, overlap) to each other in the "second direction."

[0102] The second magnet 620 and the fourth magnet 640 may be spaced apart from the first magnet 610 and the third magnet 630. The second magnet 620 and the fourth magnet 640 may be arranged symmetrically with respect to the "optical axis." The second magnet 620 and the fourth magnet 640 may be arranged parallel with respect to the "second direction." The second magnet 620 and the fourth magnet 640 may be arranged such that their inner surfaces correspond (face or overlap) to each other in the "first direction."

[0103] The first magnet 610 may be arranged to correspond (face, overlap) with the first coil 211 in the "second direction." The first magnet 610 may be in the form of a flat magnet whose outer surface corresponds (face, overlap) with the inner surface of the first coil 211 in the "second direction." The first magnet 610 may perform an autofocus (AF) function by electromagnetically interacting with the first coil 211. The first magnet 610 may be arranged on a side plate of the second housing 300 that is arranged to correspond (face, overlap) with the first connecting part 201 in the "second direction."

[0104] The second magnet 620 may be disposed to correspond (face, overlap) with the second coil 212 in the "first direction." The second magnet 620 may be in the form of a flat magnet whose outer surface corresponds (face, overlap) with the inner surface of the first coil 211 in the "first direction." The second magnet 620 may electromagnetically interact with the second coil 212 to perform an image stabilization function (OIS(x)) based on the "first direction (x-axis)." The second magnet 620 may be disposed on a side of the bobbin 400 that is disposed to correspond (face, overlap) with the second connecting part 202 in the "first direction."

[0105] The third magnet 630 may be arranged to correspond (face, overlap) with the third coil 213 in the "second direction." The third magnet 630 may be a flat magnet whose outer surface corresponds (face, overlap) with the inner surface of the third coil 213 in the "second direction." The third magnet 630 may electromagnetically interact with the third coil 213 to perform an image stabilization function (OIS(y)) based on the "second direction (y-axis)." The third magnet 630 may be arranged on a side of the bobbin 400 that is arranged to correspond (face, overlap) with the third connecting part 203 in the "second direction."

[0106] The fourth magnet 640 may be disposed to correspond (face, overlap) with the fourth coil 214 in the "first direction." The fourth magnet 640 may be a flat magnet whose outer surface corresponds (face, overlap) with the inner surface of the fourth coil 214 in the "second direction." The fourth magnet 640 may electromagnetically interact with the fourth coil 214 to drive the aperture 700.

[0107] The aperture 700 may be disposed on or in the bobbin 400. When the aperture 700 is disposed in the bobbin 400 (not shown), the aperture 700 may be disposed between the lenses of the lens module 410. The fourth magnet 640 may be disposed in the aperture 700.

[0108] The aperture 700 may include a stator 710 including a first guide 711 and a second guide 712, a mover 720 arranged on the stator 710 and having a fourth magnet 640 arranged thereon, a connecting rod 730 rotatably connected to the mover 720 on one side, a rotor 740 rotatably connected to the other side of the connecting rod 730 and having a center rotatably connected to the stator 710, a first blade 750 arranged on one side of the rotor 740, and a second blade 760 arranged on the other side of the rotor 740.

[0109] The mover 720 can move in the "first direction" due to electromagnetic interaction between the fourth coil 214 and the fourth magnet 640. To facilitate the movement of the mover 720, a plurality of fourth ball bearings (not shown) can be disposed between the stator 710 and the mover 720.

[0110] When the mover 720 moves in a "first direction," a driving force can be transmitted to the rotor 740 via the connecting rod 730. The rotor 740 rotates in a forward or reverse direction, and the rotation of the rotor 740 can move the first blade 750 and the second blade 750 in a "second direction."

[0111] The first blade 750 may include a first connecting rod 751 having one side rotatably connected to one side of the rotor 740 and moving along the first guide 711, and a first blocking plate 752 disposed on the other side of the first connecting rod 751 and having a first groove 752-1 formed therein.

[0112] The second blade 760 may include a second connecting rod 762 having one side rotatably connected to the other side of the rotor 740 and moving along the second guide 712, and a second blocking plate 762 disposed on the other side of the second connecting rod 762 and having a second groove 762-1 formed therein.

[0113] At least a portion of the first groove 752-1 and the second groove 762-1 overlap in the optical axis direction, and the first groove 752-1 and the second groove 762-1 may form a hole 770. The area of ​​the hole 770 formed by the first groove 752-1 and the second groove 762-1 may be adjusted by moving the first blade 750 and the second blade 750 in the "second direction." That is, the area of ​​the hole 770 formed by the first groove 752-1 and the second groove 762-1 may be adjusted by electromagnetic interaction between the fourth coil 214 and the fourth magnet 640.

[0114] The aperture 700 can adjust the amount of light that is irradiated onto the image sensor 910 .

[0115] The base 800 may be disposed on the main board 900. The base 800 may be disposed below the first housing 200, the second housing 300, the bobbin 400, and the moving member 500. The upper surface of the base 800 may be in contact with the lower surface of the first housing 200 and the lower surface of the lower plate of the second housing 300. In other words, the base 800 may be a member that supports and fixes the first housing 200, the second housing 300, the bobbin 400, and the moving member 500.

[0116] The base 800 may be in the form of a square plate with a hole formed in the center in the optical axis direction. Light that has passed through the lens module 410 and the hole 770 of the diaphragm 700 may pass through the hole in the base 800. The light that has passed through the hole in the base 800 may be irradiated onto the image sensor 910.

[0117] The main board 900 may be a printed circuit board (PCB). The main board 900 may be disposed below the cover 100, the first housing 200, the coil 210, the substrate 220, the magnetic sensor 230, the yoke 240, the second housing 300, the first ball bearing 310, the bobbin 400, the lens module 410, the moving member 500, the second ball bearing 510, the third ball bearing 520, the magnet 600, the aperture 700, and the base 800. An image sensor 910 may be disposed on the main board 900 in alignment with the optical axis. The image sensor 910 may be mounted on the main board 900. For example, the image sensor 910 may be located on the inner upper surface of the main board 900, and the cover 100 and the base 800 may be located on the outer upper surface of the main board 900. With this structure, light passing through the lens module 410, the hole 770 in the diaphragm 700, and the hole in the base 800 can be irradiated onto the image sensor. The main board 900 can supply power to the camera module 1000 (e.g., supply power to a coil). A control unit for controlling the camera module 1000 can be mounted on the main board 900.

[0118] The image sensor 910 can convert irradiated light into an image signal and output the image signal. The image signal output to the image sensor can be transferred to a display unit (display panel) of the optical device via the main substrate 910. The image sensor 910 can be a charge coupled device (CCD), a metal oxide semi-conductor (MOS), a CPD, or a CID. However, the type of the image sensor 910 is not limited thereto.

[0119] The infrared blocking filter can block light in the infrared region from entering the image sensor 910. The infrared blocking filter can be located, for example, between the lens module 410 and the image sensor 910. The infrared blocking filter can be located in a holder member (not shown) provided separately from the base 800. Alternatively, the infrared filter can be attached to a hole formed in the center of the base 800. The infrared filter can be made of, for example, a film material or a glass material. The infrared filter can be formed by coating an infrared blocking coating material on a flat optical filter, such as copper glass for protecting the imaging surface.

[0120] The control unit may be mounted on the main board 900. However, the location of the control unit is not limited thereto. The control unit may be located outside the camera module 1000. The control unit may control the direction, strength, amplitude, etc. of current supplied to each component of the camera module 1000. The control unit may control the camera module 1000 to perform an autofocus function, an image stabilization function, and drive the aperture 700.

[0121] Although all components constituting the embodiments of the present invention have been described above as being combined or operating in combination, the present invention is not necessarily limited to such embodiments. In other words, within the scope of the present invention, one or more of the components may be selectively combined and operate. Furthermore, unless expressly stated to the contrary, the terms "comprise," "comprise," or "comprises" used above mean that the relevant component may be inherent, and should be interpreted as including other components rather than excluding them. All terms, including technical and scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the art to which the present invention pertains, unless otherwise defined. Commonly used terms, including predefined terms, should be interpreted in accordance with the context of the relevant art and should not be interpreted in an idealized or overly formal sense unless expressly defined herein.

[0122] The above description merely exemplifies the technical concept of the present invention, and various modifications and variations are possible within the scope of the essential characteristics of the present invention, if one skilled in the art to which the present invention pertains. Therefore, the embodiments disclosed herein are for illustrative purposes only, and are not intended to limit the technical concept of the present invention. The scope of the present invention should be interpreted by the scope of the claims, and all technical concepts within the scope equivalent thereto should be interpreted as being within the scope of the present invention.

Claims

1. A first housing; a bobbin disposed within the first housing; a lens coupled to the bobbin; a restrictor fixed to the bobbin; a substrate disposed in the first housing; a second coil and a fourth coil disposed on the substrate; a second magnet disposed on the bobbin and arranged to correspond to the second coil; a fourth magnet disposed in the aperture and arranged to correspond to the fourth coil; a fourth sensor disposed on the substrate and configured to sense the fourth magnet; the fourth coil overlaps with the second coil in a first direction perpendicular to the optical axis direction of the lens, the bobbin is moved in the first direction by the second magnet and the second coil; the aperture includes a first blade and a second blade; The size of the hole formed by the first blade and the second blade is adjusted by the fourth magnet and the fourth coil.

2. a cover disposed on the first housing; The cover includes a top plate and a plurality of side plates; the plurality of side plates of the cover include a first side plate and a third side plate disposed opposite to each other, and a second side plate and a fourth side plate disposed opposite to each other; The lens driving device according to claim 1 , wherein the fourth coil is disposed between the fourth magnet and the fourth side plate of the cover.

3. The lens driving device according to claim 2 , wherein the second coil is disposed between the second magnet and the second side plate of the cover.

4. 4. The lens driving device according to claim 1, wherein the second coil, the second magnet, the fourth magnet, and the fourth coil overlap one another in the first direction.

5. 5. The lens driving device according to claim 1, wherein the fourth sensor is disposed within the fourth coil.

6. 6. The lens driving device according to claim 1, further comprising a second sensor disposed on the substrate and sensing the second magnet.

7. The lens driving device according to claim 6 , wherein the fourth sensor overlaps with the second sensor in the first direction.

8. a second housing disposed between the first housing and the bobbin; a first coil and a third coil disposed on the substrate; a first magnet disposed in the second housing and corresponding to the first coil; and 8. The lens driving device according to claim 1, further comprising a third magnet disposed on the bobbin and corresponding to the third coil.

9. The first to fourth coils are spaced apart from each other, the first coil and the third coil are disposed opposite to each other, the second coil and the fourth coil are disposed opposite to each other, the second housing is moved in the optical axis direction by the first magnet and the first coil; 9. The lens driving device according to claim 8, wherein the bobbin is moved by the third magnet and the third coil in a second direction perpendicular to both the optical axis direction and the first direction.

10. The substrates include first to fourth substrates and a connecting substrate connecting the first to fourth substrates, the first coil is disposed on the first substrate; the second coil is disposed on the second substrate; the third coil is disposed on the third substrate; The lens driving device according to claim 8 , wherein the fourth coil is disposed on the fourth substrate.

11. a first sensor disposed on the substrate and configured to sense the first magnet; and 11. The lens driving device according to claim 8, further comprising a third sensor disposed on the substrate and sensing the third magnet.

12. The first housing includes: a first corner, a second corner, a third corner, and a fourth corner spaced apart from one another; a first connecting portion connecting the first corner and the second corner; a second connecting portion connecting the second corner and the third corner; a third connecting portion connecting the third corner and the fourth corner; and a fourth connecting portion connecting the fourth corner and the first corner, the first coil is disposed in the first connecting portion, the second coil is disposed in the second coupling portion, the third coil is disposed in the third connecting portion, 12. The lens driving device according to claim 8, wherein the fourth coil is disposed in the fourth connecting portion.

13. The aperture is a stator including a first guide and a second guide; a mover disposed on the stator and on which the fourth magnet is disposed; a connecting rod whose one side is rotatably connected to the mover; a rotor rotatably connected to the other end of the connecting rod and having a center rotatably connected to the stator; The first blade is disposed on one side of the rotor, The lens driving device according to claim 9 , wherein the second blade is disposed on the other side of the rotor.

14. The first blade is a first connecting rod, one side of which is rotatably connected to one side of the rotor and which moves along the first guide; a first blocking plate disposed on the other side of the first connecting rod and having a first groove formed therein; The second blade is a second connecting rod, one side of which is rotatably connected to the other side of the rotor and which moves along the second guide; a second blocking plate disposed on the other side of the second connecting rod and having a second groove formed therein; The lens driving device according to claim 13 , wherein at least a portion of the first groove and the second groove overlap in the optical axis direction.

15. The lens driving device according to claim 14 , wherein the hole formed by the first blade and the second blade is a hole formed by the first groove and the second groove.

16. 16. The lens driving device according to claim 8, further comprising at least one first ball bearing disposed between the first housing and the second housing.

17. A first housing, a cover disposed on the first housing; a bobbin disposed within the first housing; a lens coupled to the bobbin; a restrictor fixed to the bobbin; a substrate disposed in the first housing; a second coil and a fourth coil disposed on the substrate; a second magnet disposed on the bobbin and corresponding to the second coil; a fourth magnet disposed in the aperture and corresponding to the fourth coil; and a fourth sensor disposed on the substrate and configured to sense the fourth magnet; The cover includes a top plate and a plurality of side plates; the plurality of side plates of the cover include a first side plate and a third side plate disposed opposite to each other, and a second side plate and a fourth side plate disposed opposite to each other; the fourth coil is disposed between the fourth magnet and the fourth side plate of the cover, the bobbin is moved in a first direction perpendicular to the optical axis direction of the lens by the second magnet and the second coil; the aperture includes a first blade and a second blade; The size of the hole formed by the first blade and the second blade is adjusted by the fourth magnet and the fourth coil.

18. printed circuit boards, an image sensor disposed on the printed circuit board; and A camera module comprising the lens driving device according to any one of claims 1 to 17, disposed on the printed circuit board.

19. Frame, a display disposed on one surface of the frame; and 20. An optical instrument comprising the camera module of claim 18 disposed in the frame and electrically coupled to the display.

Images